<template>
  <button @click="isShowDemo = !isShowDemo">显示/隐藏</button>
  <Demo v-if="isShowDemo"/>
</template>

<script>

import Demo from "@/components/Demo";
import {ref} from "vue";

export default {
  name: 'App',
  components: {Demo},
  setup() {
    let isShowDemo = ref(true);
    return {
      isShowDemo
    }
  }
}
</script>

<style>
</style>
